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Gas and gas pains
Learn about what is normal digestive system gas, what contributes to gas, and what you can do to lessen gas or gas pains.
Achalasia
In this condition, the muscles in the esophagus don't relax, preventing food and drink from moving into the stomach. Learn more about this rare digestive disorder.
Pancreatitis
Pancreatitis can occur suddenly or build up over time. Learn about symptoms, causes and treatment of this digestive system disorder that can cause serious illness.
Peptic ulcer
Feeling a dull or burning pain in your stomach? It could be a peptic ulcer — a common, treatable digestive condition. Find out more.
Unusual COVID-19 symptoms: What are they?
Find out about the unusual symptoms of coronavirus disease 2019 (COVID-19), including COVID toes, nausea, and loss of smell or taste.
What is wheatgrass? Why is it in my drink?
Wheatgrass is a popular addition to smoothies and other drinks. While it's a rich source of nutrients, it's not a disease cure-all.
Tapeworm infection
Tapeworms in the intestines usually cause mild disease. Immature tapeworms, called larval cysts, can cause serious disease in other parts of the body.
Autoimmune pancreatitis
Autoimmune pancreatitis is a relatively uncommon disease of the pancreas that may be mistaken for pancreatic cancer.
Scleroderma
This group of rare diseases involves the hardening and tightening of the skin and connective tissues. Some forms can affect internal organs.
Proctitis
Proctitis means inflammation of the rectal lining. This condition is often a treatment side effect or part of a more generalized disease.
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